html {
    width: 100vw;
    height: 100vh;

    body {
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;

        #app {
            width: 100%;
            height: 100%;
            overflow: hidden;

        }
    }

    .el-drawer__body {
        padding: 0 !important;
        background-color: #545c64;
    }
}